Where does “trifascicular” come from?

trifascicular (English) comes from English tri, from Proto-Indo-European tréyes — three.

trifascicular (English): Relating to three fascicles, especially those of the heart

Definitions

  1. Relating to three fascicles, especially those of the heart

Ancestry of “trifascicular”, step by step

trifascicular traces back through two separate lines of ancestry.

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

via English fascicular

StepLanguageWordMeaning
1EnglishfascicularOf or pertaining to a fascicle
Every word from Proto-Indo-European tréyes →Every word from English tri →